go down on (one)(redirected from go down on us)
go down on (one)
vulgar slang To perform oral sex on one.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
go down on someone
in. to perform oral sex on someone. (see also eat.) She was just gonna go down on him when the camera panned over to the window.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.